Bitcoin traders are turning their attention to Tuesday’s Bank of Japan (BOJ) rate decision, with a significant number of speculative short positions in the yen at their highest level in nine years. This situation raises the potential for a swift short squeeze if the BOJ indicates a more aggressive approach to tightening, which could lead to the unwinding of yen-funded carry trades that bolster risk assets.

— As traders anticipate a widely expected rate hike to 1 percent during the BOJ meeting, echoes of past crypto market shocks are resonating.

— The substantial accumulation of speculative short positions in the yen heightens the risk of a sharp short squeeze if the BOJ hints at increased tightening, potentially disrupting yen-funded carry trades that have been supporting risk assets.

— A stronger yen coupled with a rapid unwind of carry trades, particularly if Governor Kazuo Ueda suggests a quicker or larger rate increase, could lead to significant volatility in the markets, with bitcoin likely facing considerable impacts.

The BOJ is anticipated to elevate its benchmark interest rate to 1% from 0.75% on Tuesday, marking the highest rate since 1995. While this might seem like a standard policy move from a distant central bank, it carries significant implications for the crypto market.

The Commodity Futures Trading Commission data indicates that leveraged funds have ramped up their speculative short positions in yen to over 115,000 contracts as of the week ending June 9, the highest level since November 2017. These positions reflect a belief that the yen will continue to depreciate, and there are numerous such bets.

Should the BOJ proceed with the expected rate hike and signal additional tightening, these short positions may be unwound, resulting in a rise in the yen. Such a scenario would negatively impact yen-funded carry trades, where investors borrow in yen to invest in higher-yielding, riskier assets.

These carry trades have been instrumental in driving bull markets in both Wall Street and government bond markets across developed nations for years, and analysts suggest they have also supported the crypto markets.

Consequently, a swift unwinding could destabilize the broader markets, including bitcoin.

The current market dynamics resemble those observed prior to the BOJ’s rate hike in late July 2024, when yen short positions were also at record highs.

Following that rate hike, the rapid unwinding of shorts led to a significant rally in the yen, triggering volatility across Wall Street, Japan’s Nikkei, and the crypto markets. Bitcoin fell sharply from approximately $65,000 to $50,000 within a week of the July 31 decision.

Today’s market conditions parallel that earlier situation, prompting traders to closely monitor the BOJ’s meeting on Tuesday. If the anticipated hike occurs and Governor Kazuo Ueda maintains a cautious stance, markets may dismiss it and remain stable.

However, if Ueda indicates a quicker tightening pace or surprises with comments suggesting rates could exceed 1.0%, the yen could appreciate sharply, causing ripples of anxiety across financial markets.

Crypto, known for its sensitivity to sudden liquidity changes, would likely be among the most affected assets.